Answer:
(C) Our beach, our summer home, had been a fishing camp for as long as anyone living could remember
Explanation:
The sentence “Our beach, our summer home, had been a fishing camp for as long as anyone living could remember” shows that this is the main topic of the paragraph. After the sentence, the history of the beach was detailed in the following sentences.
Plot is a structure that contains the events in a story that is arranged chronologically. The actions in the storyline must relate to one another. The story of other events describe perfectly then how the characters are involved and how they are related to each time period.